The Congressional Research Service narrows that definition to four or more killed and excludes the injured who survive. Gun Violence Archive, a nonprofit research group that tracks shootings and their characteristics in the United States, defines a mass shooting as an incident in which four or more people, excluding the perpetrator(s), are shot in one location at roughly the same time.
The precise inclusion criteria are disputed, and there is no broadly accepted definition. Mass shootings are incidents involving several victims of firearm-related violence. This is a list of shootings in the United States that occurred in 2022. Class=notpageimage| Mass shootings in the United States Virgin Islands in 2022